Search for displaced muonic lepton jets from light Higgs boson decay in proton-proton collisions at root s=7 TeV with the ATLAS detector

André João Maurício Leitão do Valle Wemans

doi:10.1016/j.physletb.2013.02.058

Search for displaced muonic lepton jets from light Higgs boson decay in proton-proton collisions at root s=7 TeV with the ATLAS detector

André João Maurício Leitão do Valle Wemans

Research output: Contribution to journal › Article › peer-review

Abstract

A search is performed for collimated muon pairs displaced from the primary vertex produced in the decay of long-lived neutral particles in proton-proton collisions at root s = 7 TeV centre-of-mass energy, with the ATLAS detector at the LHC. In a 1.9 fb(-1) event sample collected during 2011, the observed data are consistent with the Standard Model background expectations. Limits on the product of the production cross section and the branching ratio of a Higgs boson decaying to hidden-sector neutral long-lived particles are derived as a function of the particles' mean lifetime

Original language	Unknown
Pages (from-to)	32-50
Journal	Physics Letters B
Volume	721
Issue number	1-3
DOIs	https://doi.org/10.1016/j.physletb.2013.02.058
Publication status	Published - 1 Jan 2013

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10.1016/j.physletb.2013.02.058

Cite this

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title = "Search for displaced muonic lepton jets from light Higgs boson decay in proton-proton collisions at root s=7 TeV with the ATLAS detector",

abstract = "A search is performed for collimated muon pairs displaced from the primary vertex produced in the decay of long-lived neutral particles in proton-proton collisions at root s = 7 TeV centre-of-mass energy, with the ATLAS detector at the LHC. In a 1.9 fb(-1) event sample collected during 2011, the observed data are consistent with the Standard Model background expectations. Limits on the product of the production cross section and the branching ratio of a Higgs boson decaying to hidden-sector neutral long-lived particles are derived as a function of the particles' mean lifetime",

keywords = "MASSLESS PARTICLES, LHC",

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